Executable and Linking Format

The type of object files created by the SPARC assembler version for
SunOS 5.x are now Executable and Linking Format (ELF) files. These relocatable ELF files hold code and data
suitable for linking with other object files to create an executable or a
shared object file, and are the assembler normal output. The assembler can also
write information to standard output (for example, under the -S option) and to
standard error (for example, under the -V option). The SPARC assembler creates a default
output file when standard input or multiple files are used.